CVE-2026-45065 Symfony: UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, UrlGenerator validates route parameters against a pattern built as ^ plus the raw requirement plus $; with ungrouped alternations, middle alternatives mat...

CVE-2026-45065

CVE-2026-45065 affects Symfony’s UrlGenerator in the Symfony PHP framework. Prior to versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12, UrlGenerator validates route parameters with a pattern built as ^ + raw requirement + $, and ungrouped alternations can cause middle alternatives to match as unanchore...

CVE-2026-45065 Symfony: UrlGenerator Route-Requirement Bypass via Unanchored Regex Alternation → Off-Site //host URL Injection

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, UrlGenerator validates route parameters against a pattern built as ^ plus the raw requirement plus $; with ungrouped alternations, middle alternatives mat...

CVE-2026-45067 Symfony: Email Header / SMTP Command Injection via CRLF in Symfony\Component\Mime\Address

Description Symfony\Component\Mime\Address is the value-object every Symfony Mailer address to/cc/bcc/from/reply-to flows through; its constructor is documented as validating the address and throwing on invalid input, so developers treat it as a security boundary. The constructor accepts email...

CVE-2026-45067

The CVE affects Symfony MIME Address: the constructor previously accepted local-parts like "x\r\nBcc: attacker@evil" which could be emitted into message headers and SMTP commands (MAIL FROM/RCPT), enabling CRLF injection. The issue’s root cause is acceptance of line breaks in quoted local-parts; ...

CVE-2026-55878

Symfony UX is a JavaScript ecosystem for Symfony. From 2.32.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map, and because Path::isRelative accepts paths like ../../../etc, a crafted or...

CVE-2026-55877

Symfony UX is a JavaScript ecosystem for Symfony. From 2.17.0 before 2.36.1 and from 3.0.0 before 3.2.0, the uxicon Twig function is marked issafe='html' and Icon::toHtml inlines SVG source verbatim, allowing unsanitized local SVG files or Iconify on-demand JSON body responses containing nested...

CVE-2026-55877

Symfony UX is a JavaScript ecosystem for Symfony. From 2.17.0 before 2.36.1 and from 3.0.0 before 3.2.0, the uxicon Twig function is marked issafe='html' and Icon::toHtml inlines SVG source verbatim, allowing unsanitized local SVG files or Iconify on-demand JSON body responses containing nested...

CVE-2026-55877 Symfony UX: XSS in symfony/ux-icons via unsanitized SVG content in local files and Iconify on-demand responses

Symfony UX is a JavaScript ecosystem for Symfony. From 2.17.0 before 2.36.1 and from 3.0.0 before 3.2.0, the uxicon Twig function is marked issafe='html' and Icon::toHtml inlines SVG source verbatim, allowing unsanitized local SVG files or Iconify on-demand JSON body responses containing nested...

CVE-2026-55877 Symfony UX: XSS in symfony/ux-icons via unsanitized SVG content in local files and Iconify on-demand responses

Symfony UX is a JavaScript ecosystem for Symfony. From 2.17.0 before 2.36.1 and from 3.0.0 before 3.2.0, the uxicon Twig function is marked issafe='html' and Icon::toHtml inlines SVG source verbatim, allowing unsanitized local SVG files or Iconify on-demand JSON body responses containing nested...

CVE-2026-55877

The CVE-2026-55877 entry covers an XSS vulnerability in Symfony UX icons. From 2.17.0–2.36.0 and 3.0.0–3.1.9 (before 3.2.0), the ux_icon() Twig function is marked is_safe=['html'] and Icon::toHtml() inlines SVG source, allowing unsanitized local SVGs or Iconify on-demand responses to contain nest...

CVE-2026-55878

Symfony UX is a JavaScript ecosystem for Symfony. From 2.32.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map, and because Path::isRelative accepts paths like ../../../etc, a crafted or...

CVE-2026-55878 Symfony: Path Traversal in symfony/ux-toolkit Allows Arbitrary File Write and Read via Crafted Recipe Manifest

Symfony UX is a JavaScript ecosystem for Symfony. From 2.32.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map, and because Path::isRelative accepts paths like ../../../etc, a crafted or...

CVE-2026-55878

The CVE-2026-55878 issue affects Symfony UX Toolkit. Affected: Symfony UX versions 2.32.0–2.36.0 and 3.0.0–3.1.x (pre-2.36.1/3.2.0). The ux:install console command copies files from a recipe kit using paths listed in copy-files; because Path::isRelative() treats paths like ../../../etc as relativ...

GHSA-7VFX-4246-JCFH SolidInvoice: IDOR in LiveComponent allows same-company cross-user access to API tokens and notification transport settings

Summary Four authorization bypass vulnerabilities in Symfony LiveComponent actions allow any authenticated user within a company to access, modify, or delete other users' API tokens and notification transport settings. The root cause is that LiveComponent actions accept entity IDs without verifyi...

GHSA-P9XJ-FPR2-JF2Q symfony/ux-toolkit: Path Traversal Allows Arbitrary File Write and Read via Crafted Recipe Manifest

Description The ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map. The only guard against malicious paths was Path::isRelative, which returns true for paths like ../../../etc. Path::join then resolves the .. segments without complaint, so the...

symfony/ux-icons: XSS via unsanitized SVG content in local files and Iconify on-demand responses

Description The uxicon Twig function is marked issafe='html', so Twig never escapes its output. Icon::toHtml inlines the SVG source verbatim into the page. Browsers execute elements and on event-handler attributes found inside inline SVG, making any unsanitized icon a vector for cross-site...

symfony/ux-autocomplete: XSS via unescaped AJAX response data

Description The Stimulus controller shipped with symfony/ux-autocomplete renders AJAX response items into the dropdown by interpolating the text field directly into HTML template literals $itemlabelField inside createAutocompleteWithRemoteData. The value is parsed as HTML rather than text, so any...

GHSA-MWQM-4FW3-CJVR symfony/ux-autocomplete: XSS via unescaped AJAX response data

Description The Stimulus controller shipped with symfony/ux-autocomplete renders AJAX response items into the dropdown by interpolating the text field directly into HTML template literals $itemlabelField inside createAutocompleteWithRemoteData. The value is parsed as HTML rather than text, so any...

GHSA-946H-JP5C-8FVH symfony/ux-autocomplete: Information exposure via unescaped LIKE wildcards in EntitySearchUtil

Description Symfony\UX\Autocomplete\Doctrine\EntitySearchUtil::addSearchClause builds the LIKE expression used by the autocomplete endpoint by wrapping the client-supplied query in %...% without escaping the SQL LIKE wildcards %, , . The value is passed as a bound parameter, so this is not SQL...